KR20250138234A - 홈 가공 방법, 홈 가공 장치 및 방향성 전자 강판 - Google Patents

홈 가공 방법, 홈 가공 장치 및 방향성 전자 강판

Info

Publication number
KR20250138234A
KR20250138234A KR1020257027700A KR20257027700A KR20250138234A KR 20250138234 A KR20250138234 A KR 20250138234A KR 1020257027700 A KR1020257027700 A KR 1020257027700A KR 20257027700 A KR20257027700 A KR 20257027700A KR 20250138234 A KR20250138234 A KR 20250138234A
Authority
KR
South Korea
Prior art keywords
groove
laser beam
electrical steel
central
irradiation portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020257027700A
Other languages
English (en)
Korean (ko)
Inventor
다츠히코 사카이
히데유키 하마무라
Original Assignee
닛폰세이테츠 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20250138234A publication Critical patent/KR20250138234A/ko
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/362—Laser etching
    • B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073—Shaping the laser spot
    • B23K26/0734—Shaping the laser spot into an annular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073—Shaping the laser spot
    • B23K26/0736—Shaping the laser spot into an oval shape, e.g. elliptic shape
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1294—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localised treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Laser Beam Processing (AREA)
  • Soft Magnetic Materials (AREA)
KR1020257027700A 2023-02-16 2024-02-15 홈 가공 방법, 홈 가공 장치 및 방향성 전자 강판 Pending KR20250138234A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2023-022958 2023-02-16
JP2023022958 2023-02-16
PCT/JP2024/005171 WO2024172103A1 (ja) 2023-02-16 2024-02-15 溝加工方法、溝加工装置及び方向性電磁鋼板

Publications (1)

Publication Number Publication Date
KR20250138234A true KR20250138234A (ko) 2025-09-19

Family

ID=92420278

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257027700A Pending KR20250138234A (ko) 2023-02-16 2024-02-15 홈 가공 방법, 홈 가공 장치 및 방향성 전자 강판

Country Status (5)

Country Link
EP (1) EP4667594A1 (https=)
JP (1) JPWO2024172103A1 (https=)
KR (1) KR20250138234A (https=)
CN (1) CN120693416A (https=)
WO (1) WO2024172103A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119839468B (zh) * 2025-02-14 2025-09-26 合肥工业大学 提升飞秒激光加工出的微槽垂直度的方法与加工系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0657335A (ja) 1992-08-07 1994-03-01 Nippon Steel Corp パルスｃｏ２レーザを用いた方向性電磁鋼板の鉄損改善方法および装置
JP5234222B2 (ja) 2010-04-01 2013-07-10 新日鐵住金株式会社 方向性電磁鋼板及びその製造方法
JP6826606B2 (ja) 2016-01-22 2021-02-03 ポスコＰｏｓｃｏ 方向性電磁鋼板の磁区細分化方法とその装置
WO2022045265A1 (ja) 2020-08-31 2022-03-03 テイ・エス テック株式会社 乗物用シート

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0657335B2 (ja) 1988-07-20 1994-08-03 三菱製紙株式会社 塗工機の水分率制御装置
JPH11124629A (ja) * 1997-10-16 1999-05-11 Kawasaki Steel Corp 低鉄損・低騒音方向性電磁鋼板
KR101409419B1 (ko) * 2012-05-17 2014-06-19 주식회사 포스코 방향성 전기강판의 자구 미세화 방법
KR101719231B1 (ko) * 2014-12-24 2017-04-04 주식회사 포스코 방향성 전기강판 및 그 제조방법
WO2022045264A1 (ja) * 2020-08-27 2022-03-03 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP2023022958A (ja) 2021-08-04 2023-02-16 株式会社三共 遊技機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0657335A (ja) 1992-08-07 1994-03-01 Nippon Steel Corp パルスｃｏ２レーザを用いた方向性電磁鋼板の鉄損改善方法および装置
JP5234222B2 (ja) 2010-04-01 2013-07-10 新日鐵住金株式会社 方向性電磁鋼板及びその製造方法
JP6826606B2 (ja) 2016-01-22 2021-02-03 ポスコＰｏｓｃｏ 方向性電磁鋼板の磁区細分化方法とその装置
WO2022045265A1 (ja) 2020-08-31 2022-03-03 テイ・エス テック株式会社 乗物用シート

Also Published As

Publication number Publication date
WO2024172103A1 (ja) 2024-08-22
CN120693416A (zh) 2025-09-23
JPWO2024172103A1 (https=) 2024-08-22
EP4667594A1 (en) 2025-12-24

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